Sawyer&#39;s taper register



G. LOKEN SAWYERS TAPER REGISTER Jan, 6, 1925.

Filed Oct. 27, 1921 Patented Jan. 6, 1925.

UNITED, STATES PATENT OFFICE.

GILBERT LOKEN, or SEATTLE, WASHINGTON, ASSIGNOR or ONE-HALF To Ul' J.RAYMOND, on SEATTLE, WASHINGTON.

SAWYERS TAPE-R REGTSTER.

Application filed October 27, 1921'. Serial no. 510,927.

To all whom it may concern:

Be it known that I, GILBERT LOKEN, a citizen of the United States ofAmerica, and resident of the city of Seattle, in the county of King andState of ashing-ton, have invented certain new and useful Improvementsin Sawyers Taper Registers, of which the following is a specification.

My invention relates to sawmill set-works and particularly to a dial orregister which is connected with the set-works and which indicates tothe sawyer the exact setting of each of the head blocks or knees.

An object of my invention is to provide means which are automaticallycontrolled by the setting of the various knees toindicate this setting.

Another object is to provide such a register which may be so' positionedupon the set-works carriage that it will'be always readable from thesawyers station A further object is to provide a register for such apurpose which is compact, simple,- convenient in use, requiring noattention ordinarily, which is automatic in its operation, and easy toadjust.

Other objects may be ascertained in a study of the followingspecification and claims.

My inventioncomprises those novel parts and combinations thereof whichare shown in the accompanying drawings, described in the specificationand particularly defined by the claims terminating the same.

In the accompanying drawings I have shown my' invention in the formswhich are now preferred by me.

Figure 1 is a general perspective view of a set-works carriage with mydevice mounted thereon.

Figure 2 is an elevation,-with parts broken away, of my register.

Figure 3 is a section through a slightly modified form of register.

In .sawmill' set-works the sawyer, who is at a stationary point adjacentthe saw, has no means of telling what is the setting of the variousknees carried by the carriage. If the sawyer knowsfrom the setting ofthe knees the width of a timber upon the carriage, lie is better able tojudge the proper sizes of timbers to be sawn therefrom. Further, inshaping up a log by the method shown in patent to Haley, No 1,393,529,where the first cuts are taken off parallel to the bark, and then thebutt end is set out to take off a wedge, the sawyer must know how farthe butt end knee must be set out to bring it even with the knee at thesmall end. According to my invention, a register which will beautomatically controlled by the setting of the knees will show to thesawyer the exact setting of each knee. This will be mounted at aconvenient place upon the set-works carriage.

Upon the set-works carriage 1, which sup: ports the log indicated by thedotted lines L, are supported two or more knees 11, these being movabletransversely of the carriage 1. The position of each knee is controlledby the rotation of a shaft 12 which in turn is rotated by a longitudinalcontrol shaft which is shown as formed in sections 13, one sectioncorresponding to each of the knees 11. The various sections 13 of theshaft may be connected to rotate together at will by means of a suitableclutch 14. The various sections may be independently rotated when theclutch 14 is disengaged, by suitable means, such as the ratchet levers15. By providing a sectional control shaftit is possible to set one ofthe knees 11 nearer the path of the saw than the other. In this way insawing taper logs it is possible to take off a strip parallel with thebark rather than parallel with the heart of the log, and then to set theknees properly to take off a wedge.

My register is composed of a plurality of rotatable or otherwise movableelements, such as the sleeves 2. Each of these elements 2 is independentof the others in its movement and each is connected suitably to itsrespective section 13 of the control shaft. As shown in Figure 1 asprocket chain 16 connects a sprocket upon asection 13 ofthe controlshaft and a sprocket 17 which sprocket 17 connects through a shaft 18and universal joints 19 to a stub shaft 20. The provision of theuniversal joints permits the device to be set angularly relative to theshaft sections 13. The shaft 20 is providedwith means for rotating theelements 2', such as the elongated spur gear 21 meshing with an internalgear 22 carried by each of the sleeves 2.

The sleeves 2, of which twoonly are shown for purposes of illustration,are mounted upon a shaft 23 to rotate and to be axially movablethereupon. A suitable casing 3 encloses all of the sleeves 2. The casing3 is provided with apertures 32, one for each of the sleeves 2, andpositioned to register with a single one of a series 25 of figuresarranged upon the sleeve. Other suitable indicating means might beemployed in connection with these figures 25, but the aperture 32 formsa convenient means-and one which is now preferred by me. \Vhile I havedescribed the sleeve 2 as being rotatable within a fixed casing 3, it isevident that a reversal of this arrangement would still be within thescope of my invention.

The figures 25 are arranged upon the periphery of the sleeve 2 in someprogres sive curve. By this term I mean some curve which does not repeatitself within the lineal distance required by the number of figures tobe employed. The curve may be a spiral, figure 8, or as shown herein, ahelix, depending in large measure upon the character of the rotativemember 2. These figures represent the distance in inches between thepath of the saw and the log engaging face of that knee 11 whichcorresponds to this particular sleeve 2. As most set-works provide awide range of setting, for instance, a range of seventy-two inches, andas it is important to keep the size of the register down but yet to makethe figures in the series 25 clearly visible to the sawyer throughoutthe movement of the set-works, the desirability of arranging the figuresin a helix or other similar curve will be apparent.

In order to maintain the proper figure in registry with the aperture 32,it is necessary to move the sleeve 2 bodily in an amount correspondingwith the pitch of the helix upon which the figures 25 are arranged. Themeans which I employ for this purpose are best shown in Figure 3,although I do not desire to limit myself only to these means. I provideupon the hub 26 of the sleeve. a helical groove or screw thread 27having a pitch equal to the pitch of the helical series of figures 25.This is engageable by a suitable nut, which as shown takes the form of afinger 33 depending from a rod 3st which is fixed in the casing 23. Aset screw may be employed to retain the rod 34 fixed in position, andthis permits adjustment of the sleeve relative to the aperture In Figure3 I have illustrated the sleeve 2 as having its periphery cut awaythroughout the greater extent thereof, and covered with a transparent ortranslucent sheet 28 whereon the figures 25 are placed. This permitstheemployment of a light 36 with- I in the casing 3 and within thesleeve 2 to illuminate the figlu'e which is opposite the aperture 32.

As the individual sections 13 of the control shaft are rotated to varythe setting of the knee ll controlled thereby, this movement will becommunicated to the sleeve 2 which corresponds to that knee. The sleevewill be rotated and will also be axially moved to maintain the line offigures in registry with the aperture 32. Rotation of the sleeve willbring into registry with the aperture 32 the figure corresponding to thenumber of inches the face of the knee 11 is spaced from the path of thesaw. Changes in position of the knee will cause a corresponding changein the setting of the registcr so that the figure appearing through theaperture 32 will always indicate the exact setting of the knee to whichit corresponds. The various sleeves are independently movable because ofthe fact that the various knees 11 may be set independently. The sawyerthus can always asceitain the setting of the various knees of theset-works, for the purposes set forth heretofore.

1. In a set-works, in combination with the carriage, a plurality ofknees, a set shaft onthe carriage formed as a plurality ofindependently-ope 'able sections each corresponding to one of saidknees, a taper register offset from the set shaft and adapted to be setwith its axis at an angle thereto, said register including a pluralityof movable indicators each corresponding to its respective section ofthe set shaft and connected knee, stub shafts ()])Ql'flti"0ly connectedeach to its respective indicator, other stub shafts each operativelyconnected to its respective set shaft section, and a flexible driveconnection between the corresponding stub shafts.

2. In a set-works, in combination with the carriage. a plurality ofknees, a set shaft on the carriage formed as a plurality of in-'dependently-operable sections each corresponding to one of said knees, ataper register offset from the set shaft and adapted to be setwith itsaxis at an angle thereto, said register including a plurality of movableindicators each corresponding to its respective section of the set shaftand connected knee, stub shafts operatively connected each to itsrespective indicator, other stub shafts each operatively connected toits res )ective set shaft section and substantially in a common planewith but at an angle to its corresponding indicator stub shaft, and aflexible drive connection between each pair of corresponding stub shaftscomprising a pair of universal joints and a telescoping shaft sectiontherebetween.

Signed at Seattle, Kin County, VVashington, this 21st day ofctober,'1921.

HLBERT LUKE].

